FVXX21 KWBC 070425
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0425 UTC 07 MAY 2000 BY THE WASHINGTON VAAC
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TUNGURAHUA 00-535 ECUADOR 0128S 7826W
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BACKGROUND: TUNGURAHUA ECUADOR (1502-08)
SUMMIT HEIGHT 16480 FT (5023 M)
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SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND
MULTISPECTRAL IMAGERY. 12 HOUR WINDS FORECAST FROM THE 18 UTC
AVIATION MODEL.
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ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 07/0345 UTC SHOWS
LAYERED CLOUDS OVER AND AROUND THE SUMMIT. THESE LAYERED
CLOUDS ARE MAKING DETECTION OF ASH DIFFICULT AT THIS TIME.
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TRAJECTORY: ASH FROM THE SUMMIT TO FL25O WOULD MOVE TOWARD THE
WEST-SOUTHWEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED BY 07/1030 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC
ASH ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING
ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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WALTER
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